The emphatic hoots of a pair of Barred Owls resonate in the still of a winter's night. Like many owls, Barred Owls initiate their vocal courtship in winter. And they're among the most vocal. These owls have more than a dozen calls, ranging from a "siren call" to a "wail" to a wonderfully entertaining "monkey call." Barred Owls are among the largest owls in North America.

More info and transcript at BirdNote.org. 

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